[Emacs-diffs] Changes to emacs/lisp/gnus/mm-partial.el [gnus-5_10-branch]

[Andreas Schwab]

Index: emacs/lisp/gnus/mm-partial.el
diff -c /dev/null emacs/lisp/gnus/mm-partial.el:1.5.2.1
*** /dev/null   Thu Jul 22 16:47:05 2004
--- emacs/lisp/gnus/mm-partial.el       Thu Jul 22 16:45:51 2004
***************
*** 0 ****
--- 1,155 ----
+ ;;; mm-partial.el --- showing message/partial
+ ;; Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+ 
+ ;; Author: Shenghuo Zhu <address@hidden>
+ ;; Keywords: message partial
+ 
+ ;; This file is part of GNU Emacs.
+ 
+ ;; GNU Emacs is free software; you can redistribute it and/or modify
+ ;; it under the terms of the GNU General Public License as published
+ ;; by the Free Software Foundation; either version 2, or (at your
+ ;; option) any later version.
+ 
+ ;; GNU Emacs is distributed in the hope that it will be useful, but
+ ;; WITHOUT ANY WARRANTY; without even the implied warranty of
+ ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ ;; General Public License for more details.
+ 
+ ;; You should have received a copy of the GNU General Public License
+ ;; along with GNU Emacs; see the file COPYING.  If not, write to the
+ ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ ;; Boston, MA 02111-1307, USA.
+ 
+ ;;; Commentary:
+ 
+ ;;; Code:
+ 
+ (eval-when-compile (require 'cl))
+ 
+ (require 'gnus-sum)
+ (require 'mm-util)
+ (require 'mm-decode)
+ 
+ (defun mm-partial-find-parts (id &optional art)
+   (let ((headers (save-excursion
+                  (set-buffer gnus-summary-buffer)
+                  gnus-newsgroup-headers))
+       phandles header)
+     (while (setq header (pop headers))
+       (unless (eq (aref header 0) art)
+       (mm-with-unibyte-buffer
+         (gnus-request-article-this-buffer (aref header 0)
+                                           gnus-newsgroup-name)
+         (when (search-forward id nil t)
+           (let ((nhandles (mm-dissect-buffer
+                            nil gnus-article-loose-mime)) nid)
+             (if (consp (car nhandles))
+                 (mm-destroy-parts nhandles)
+               (setq nid (cdr (assq 'id
+                                    (cdr (mm-handle-type nhandles)))))
+               (if (not (equal id nid))
+                   (mm-destroy-parts nhandles)
+                 (push nhandles phandles))))))))
+     phandles))
+ 
+ ;;;###autoload
+ (defun mm-inline-partial (handle &optional no-display)
+   "Show the partial part of HANDLE.
+ This function replaces the buffer of HANDLE with a buffer contains
+ the entire message.
+ If NO-DISPLAY is nil, display it. Otherwise, do nothing after replacing."
+   (let ((id (cdr (assq 'id (cdr (mm-handle-type handle)))))
+       phandles
+       (b (point)) (n 1) total
+       phandle nn ntotal
+       gnus-displaying-mime handles buffer)
+     (unless (mm-handle-cache handle)
+       (unless id
+       (error "Can not find message/partial id"))
+       (setq phandles
+           (sort (cons handle
+                       (mm-partial-find-parts
+                        id
+                        (save-excursion
+                          (set-buffer gnus-summary-buffer)
+                          (gnus-summary-article-number))))
+                 #'(lambda (a b)
+                     (let ((anumber (string-to-number
+                                     (cdr (assq 'number
+                                                (cdr (mm-handle-type a))))))
+                           (bnumber (string-to-number
+                                     (cdr (assq 'number
+                                                (cdr (mm-handle-type b)))))))
+                       (< anumber bnumber)))))
+       (setq gnus-article-mime-handles
+           (mm-merge-handles gnus-article-mime-handles phandles))
+       (save-excursion
+       (set-buffer (generate-new-buffer " *mm*"))
+       (while (setq phandle (pop phandles))
+         (setq nn (string-to-number
+                   (cdr (assq 'number
+                              (cdr (mm-handle-type phandle))))))
+         (setq ntotal (string-to-number
+                       (cdr (assq 'total
+                                  (cdr (mm-handle-type phandle))))))
+         (if ntotal
+             (if total
+                 (unless (eq total ntotal)
+                 (error "The numbers of total are different"))
+               (setq total ntotal)))
+         (unless (< nn n)
+           (unless (eq nn n)
+             (error "Missing part %d" n))
+           (mm-insert-part phandle)
+           (goto-char (point-max))
+           (when (not (eq 0 (skip-chars-backward "\r\n")))
+             ;; remove tail blank spaces except one
+             (if (looking-at "\r?\n")
+                 (goto-char (match-end 0)))
+             (delete-region (point) (point-max)))
+           (setq n (+ n 1))))
+       (unless total
+         (error "Don't known the total number of"))
+       (if (<= n total)
+           (error "Missing part %d" n))
+       (kill-buffer (mm-handle-buffer handle))
+       (goto-char (point-min))
+       (let ((point (if (search-forward "\n\n" nil t)
+                        (1- (point))
+                      (point-max))))
+         (goto-char (point-min))
+         (unless (re-search-forward "^mime-version:" point t)
+           (insert "MIME-Version: 1.0\n")))
+       (setcar handle (current-buffer))
+       (mm-handle-set-cache handle t)))
+     (unless no-display
+       (save-excursion
+       (save-restriction
+         (narrow-to-region b b)
+         (mm-insert-part handle)
+         (let (gnus-article-mime-handles)
+           (run-hooks 'gnus-article-decode-hook)
+           (gnus-article-prepare-display)
+           (setq handles gnus-article-mime-handles))
+         (when handles
+           ;; It is in article buffer.
+           (setq gnus-article-mime-handles
+                 (mm-merge-handles gnus-article-mime-handles handles)))
+         (mm-handle-set-undisplayer
+          handle
+          `(lambda ()
+             (let (buffer-read-only)
+               (condition-case nil
+                   ;; This is only valid on XEmacs.
+                   (mapcar (lambda (prop)
+                           (remove-specifier
+                            (face-property 'default prop) (current-buffer)))
+                           '(background background-pixmap foreground))
+                 (error nil))
+               (delete-region ,(point-min-marker) ,(point-max-marker))))))))))
+ 
+ (provide 'mm-partial)
+ 
+ ;;; arch-tag: 460e7424-05f2-4a1d-a0f2-70ec081eff7d
+ ;;; mm-partial.el ends here